scientific article published in 1939

scientific article published in 1937

scientific article (publication date: February 1964)

scientific article published in 1949

scientific article published in 1949

scientific article published in 1948

scientific article published in 1940

scientific article published in 1941

scientific article published in 1950

scientific article

scientific article published in 1942

scientific article

Harvard University Botany Libraries

Harvard University Botany Libraries

Harvard University Botany Libraries

Harvard University Botany Libraries

Harvard University Botany Libraries

Harvard University Botany Libraries

Harvard University Botany Libraries

Harvard University Botany Libraries

Harvard University Botany Libraries

Harvard University Botany Libraries

scientific article published in 1936

scientific article published in 1939

scientific article published in 1945

scientific article published in 1949

Harvard University Botany Libraries

Harvard University Botany Libraries

Harvard University Botany Libraries

Harvard University Botany Libraries

Harvard University Botany Libraries

Harvard University Botany Libraries

Harvard University Botany Libraries

Harvard University Botany Libraries

Harvard University Botany Libraries

scientific article published in 1960

scientific article published in 1947

scientific article published in 1966

scientific article published in 1945

scientific article published in 1946

scientific article published in 1948

scientific article published in 1950

scientific article published in 1984

scientific article published in 1946

article published in 1946

scholarly article by Lyman Bradford Smith & Bernice G Schubert published 1946 in Caldasia

scientific article published in 1946

Harvard University Botany Libraries

scientific article published in 2002

scientific article published in 1938

scientific article published in 1942